CN205122529U - Liquid metal plasma colour display device - Google Patents
Liquid metal plasma colour display device Download PDFInfo
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- CN205122529U CN205122529U CN201520775605.8U CN201520775605U CN205122529U CN 205122529 U CN205122529 U CN 205122529U CN 201520775605 U CN201520775605 U CN 201520775605U CN 205122529 U CN205122529 U CN 205122529U
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Abstract
The utility model relates to a liquid metal plasma colour display device, the device include base plate and encapsulating material, attach to the plasma luminescence unit based on liquid metal on base plate and the encapsulating material, encapsulate on base plate and encapsulating material or be independent of the base plate plasma electrode drive circuit outside with the encapsulating material, plasma luminescence unit and plasma electrode drive circuit based on liquid metal constitute the demonstration array to show required twodimensional diagram like, and link to each other through expansion interface and other liquid metal plasma display devices, in order to realize showing the concatenation, adopting room temperature liquid metal as electrode material, can carrying out direct printing to electrode array, the process is simpler, has also avoided high energy consumption and contamination waste material that processes such as photoetching, corruption, chemical vapor deposition brought simultaneously.
Description
Technical field
The utility model belongs to display technology field, particularly a kind of liquid metal plasma color display unit.
Background technology
From television set to display, display device has penetrated into the every aspect of people's productive life, and larger screen size, higher display resolution and more rich image expressive force are also the directions that people chase always.In Display Technique field, successively be born the technology such as cathode ray tube (CRT), LCDs (LCD), light-emitting diode (LED), and wherein Plasma Display Technology relies on that visual angular width, image response speed are fast, flicker free, thickness are thin, quality is light, area is large, the advantage such as bright in luster, image fidelity, radiationless, health environment-friendly occupies one seat.
Traditional color plasma Display Technique to be discharged generation ultraviolet under voltage mainly through rare gas, to excite three primary colors fluorescent powder, thus send primary lights and realize colored display, therefore its each luminescence unit structure is identical, thus ensure that the high brightness of screen picture, high-contrast, uniform intensity and without geometric deformation.
According to the driving voltage of luminescence unit exciting electrode, plasma display can be divided into direct current and exchange two large classes.Ac plasma display needs coated media layer on electrode, and electrode does not directly contact with gas; The electrode of DC plasma display then directly contacts with luminous gas.In addition, the electrode of AC plasma display method both can be distributed on two pieces of relative substrates, also can be distributed in same substrate.
But, existing plasma display technology also has some limitations, because exciting electrode is solid metal array, so its course of processing needs by the complicated technology such as photoetching corrosion, chemical vapour deposition (CVD) flow process, and metal paste needs the high temperature sintering through the even thousands of degree of hundreds of; And due to the material that is stimulated be rare gas, so excitation voltage higher (between general substrate, pressure reduction is at more than 100V), and material obtain with packaging cost all higher; In addition, because electrode, substrate etc. are rigid material, therefore be generally hard plate based on the display screen that traditional plasma Display Technique makes, curved surface or Flexible Displays cannot be realized.
Summary of the invention
For the deficiency that existing plasma display technology exists, the utility model aims to provide a kind of liquid metal plasma color display unit, adopt room temperature liquid metal as electrode material, directly can print electrod-array, operation is more simple, the high energy consumption that the process such as photoetching, burn into chemical vapour deposition (CVD) that simultaneously it also avoid is brought and contaminative waste material.
The purpose of this utility model is achieved through the following technical solutions:
A kind of liquid metal plasma color display unit, comprise substrate and encapsulating material 3, be attached to the luminescence of plasma unit 1 based on liquid metal on substrate and encapsulating material 3, to be packaged on substrate and encapsulating material 3 or independent of the plasma electrode drive circuit 2 of substrate and encapsulating material 3 outside, the described luminescence of plasma unit 1 based on liquid metal and plasma electrode drive circuit 2 form array of display, to show required two dimensional image, and be connected with other liquid metal plasm display devices by expansion interface 4, to realize display splicing.
Described substrate and encapsulating material 3 comprise upper substrate 302 and infrabasal plate 303, the described luminescence of plasma unit 1 based on liquid metal comprises and is capped in transparent encapsulated layer 301, and be printed on the room temperature liquid metal electrode 101 of upper substrate 302 and infrabasal plate 303 apparent surface, be positioned at the plasma medium material 102 that can be excited by room temperature liquid metal electrode 101 between upper substrate 302 and infrabasal plate 303 and the fluorescent material 103 for generation of colourama.
The material of described room temperature liquid metal electrode 101 adopts gallium and the binary that forms with indium, tin, bismuth, zinc metal or multicomponent alloy, have conductivity and mobility concurrently, for generation of direct current or alternating voltage, thus excite described plasma medium material 102 to produce and maintain plasma electric discharge, or by voltage control, addressing is carried out to the luminescence unit of specifying.
The material stating an electrode in room temperature liquid metal electrode 101 adopts gold, platinum, silver, copper, steel or aluminium solid metal.
Described plasma medium material 102 can be excited generation plasma by described room temperature liquid metal electrode 101 under normal temperature and lower voltage difference 5V-30V, and sends ultraviolet light and send colored coloured light to make described fluorescent material 103; Described plasma medium material 102 is rare gas, or pure water, weak electrolyte solution, alcohols, ketone, aldehydes, grease (triglycerides), kerosene, one in carbon tetrachloride liquid substance.
Described fluorescent material 103 is inorganic or organic fluorescent substance, is excited the coloured light of rear generation to be red, green, blue three primary colors light by plasma ultraviolet, or other monochromatic or polychrome coloured light; The existing forms of described fluorescent material 103 comprises powder, sinter layer, solution, or the mixture of fluorescent material or dyestuff and room temperature liquid metal.
Described plasma electrode drive circuit 2 is made by liquid metal or Conventional solid metal, adopt integrated drive chips, for producing the voltage and pulse that excite, maintain or eliminate based on luminescence of plasma unit 1 luminescence of liquid metal according to display graphics and timing requirements.
Described substrate and encapsulating material 3 are that unilateral hyperlucent or bilateral are transparent; Its material is rigid material or flexible or elastomeric material; Described substrate and encapsulating material 3, for providing attachment for described room temperature liquid metal electrode 101, described fluorescent material 103, provide isolation for described plasma medium material 102 and encapsulate.
Described rigid material is the one in glass, quartz, pottery, crystal, corundum, diamond, or polyethylene terephthalate PET, polythene PE, polyvinylchloride, polypropylene PP, polystyrene PS, polymetylmethacrylate, phenolic resins PF, one in polyimides PI organic high molecular polymer; Described flexibility or elastomeric material are the one in polydimethylsiloxane, latex, silica gel, sulphurated siliastic.
Described expansion interface 4 is lead type, plug-in type, magnetic-type, bridging type or stick formula, to realize the splicing of multiple liquid metal plasma colour display device.
The preparation method of liquid metal plasma color display unit described above, comprises the steps:
Step 1: adopt room temperature liquid metal to produce liquid metal electrode 101 at substrate and encapsulating material 3 surface;
Step 2: liquid metal electrode 101 array be made into by liquid metal is arranged in the plasma medium material 102 in order to activated plasma, and is encapsulated;
Step 3: as required, at the fluorescent material 103 of encapsulation outer wall coating in order to produce colourama;
Step 4: the luminescence of plasma unit 1 outer setting plasma electrode drive circuit 2 based on liquid metal corresponding with liquid metal electrode 101;
Step 5: the array of display form luminescence of plasma unit 1 and the plasma electrode drive circuit 2 based on liquid metal and expansion interface 4 are encapsulated.
Described liquid metal electrode 101 by directly printing liquid metal material, spraying or being needed on described substrate and encapsulating material 3 surface, or is printed by mask, the processing of fluid channel reperfusion mode realizes.
So far, the concept of liquid metal plasma is not yet proposed both at home and abroad, also print and corresponding colorful light-emitting unit process technology without liquid metallic plasma electrod-array, the utility model has broken many limitations of traditional plasma colour display, make that plasma colour display device is more simple, energy-saving and environmental protection, can Flexible Displays be realized simultaneously.
Liquid metal plasma color display packing described in the utility model, has the following advantages:
1, adopt room temperature liquid metal as electrode material, directly can print electrod-array, operation is more simple, the high energy consumption that the process such as photoetching, burn into chemical vapour deposition (CVD) that simultaneously it also avoid is brought and contaminative waste material.
2, liquid metal electrode has lower plasma exciatiaon voltage, more energy-conservation, safety.
3, the plasma medium material adopted is abundanter, both comprises rare gas, and also comprises all kinds of liquid medium.
4, described fluorescent material can be the mixture of fluorescent material or dyestuff and liquid metal, thus makes liquid metal electrode have lighting function concurrently.
5, electrode, plasma medium material, fluorescent material, electrode control circuit and substrate and encapsulating material have mobility, all can realize distortion, make liquid metal plasma color display unit have bent, rollable, the characteristic such as can stretch, thus realize showing at the plasma color of any topographical surface.
6, electrode drive circuit and substrate, encapsulating material have extensibility, and the physical interface form of display splicing is more rich and varied.
Accompanying drawing explanation
Fig. 1 is the basic structure schematic diagram of liquid metal plasma color display unit.
Fig. 2 is the luminescence unit structural representation of liquid metal plasma color display unit.
Fig. 3 is a kind of crossed electrode distribution mode of liquid metal plasma color display unit and the schematic diagram of type of drive.
Fig. 4 is the schematic diagram of a kind of expansion interface form of liquid metal plasma color display unit.
Fig. 5 is a kind of flexible curved surface structure of liquid metal plasma color display unit.
Embodiment
Fig. 1 describes the basic structure of liquid metal plasma color display unit.
As shown in Figure 1, by room temperature liquid metal electrode, plasma medium material, the luminescence of plasma unit 1 based on liquid metal that fluorescent material is formed, be attached on substrate and encapsulating material 3, and electrode drive circuit 2 control under display color figure, electrode drive circuit 2 both can be packaged on substrate 3, also can be independently located at it outside, simultaneously array of display can be formed based on the luminescence of plasma unit 1 of liquid metal and plasma electrode drive circuit, and be connected with other liquid metal plasm display devices by expansion interface 4, to realize display splicing.
Fig. 2 describes the luminescence unit structure of liquid metal plasma color display unit.
As shown in Figure 2, based in the plasma color luminescence unit 1 of liquid metal, room temperature liquid metal electrode 101 (the present embodiment is room temperature liquid metal gallium-indium alloy electrode) is printed on upper substrate 302 and infrabasal plate 303 surface of substrate and encapsulating material 3 respectively, wherein upper substrate 302 is transparent material glass, infrabasal plate 303 is opaque plastic or the glass being coated with reflective membrane, electrode 101 is also capped in transparent encapsulated layer 301 (the present embodiment is transparent MgO encapsulated layer), when electrode drive circuit applies direct current or alternating voltage between two electrodes, plasma medium 102 (the present embodiment is pure water) is excited and produces ultraviolet light, and then make fluorescent material 103 produce green fluorescence.
Fig. 3 describes the type of drive of a kind of electrode omnidirectional distribution of liquid metal plasma color display unit.
As shown in Figure 3, in a luminescence unit, the liquid metal electrode 201 being positioned at upper substrate for a pair constitutes exciting electrode, by applying alternating voltage by electrode drive circuit between the two, voltage can be provided for the maintenance of plasma, at infrabasal plate 3 site selection electrodes 202 that then equidistantly distribution three is mutually orthogonal with exciting electrode, and the corresponding red-green-blue fluorescent material of difference, electrode drive circuit applies igniting or erasing voltage respectively according to display control signal on site selection electrodes, thus realize lighting respectively or simultaneously or extinguishing three primary colors light in luminescence unit, thus realize each luminescence unit in pair array and whether light and the control of display color.
Fig. 4 describes a kind of expansion interface form of liquid metal plasma color display unit, because two sections of liquid metal materials can merge when contacting, therefore can be realized the splicing of display unit by the mode of overlap joint.First interface 402 and the second interface 403 are be positioned at the expansion interface on two liquid metal plasma display system substrates respectively, room temperature liquid metal electrode 101 to be embedded in the fluid channel of substrate and to extend to expansion interface, and for the control signal of transmission electrode drive circuit; Wire only need align to hang together and just can realize the connection of interface by first interface 402 and the second interface 403.Because liquid metal material has mobility, an overall wire after therefore hanging together, just automatically can be merged.Electrode drive circuit automatically can identify the connection of expansion equipment, and accordingly to provide plasma to give out light control signal that unit excites, maintains and extinguish or the pulse of spliced display unit.
Fig. 5 describes a kind of flexible curved surface structure of liquid metal plasma color display unit, liquid metal electrode is packaged in substrate and encapsulating material 3, and can cylindrical surface be bent to form, plasma electrode drive circuit 2 is positioned at inside cylindrical region, and control each plasma color luminescence unit of display curved surface according to the requirement of display graphics, thus realize showing at the plasma color figure of cylindrical surface.
Claims (10)
1. a liquid metal plasma color display unit, it is characterized in that: comprise substrate and encapsulating material (3), be attached to the luminescence of plasma unit (1) based on liquid metal on substrate and encapsulating material (3), be packaged in substrate and encapsulating material (3) upper or independent of the plasma electrode drive circuit (2) of substrate with encapsulating material (3) outside, the described luminescence of plasma unit (1) based on liquid metal and plasma electrode drive circuit (2) composition array of display, to show required two dimensional image, and be connected with other liquid metal plasm display devices by expansion interface (4), to realize display splicing.
2. a kind of liquid metal plasma color display unit according to claim 1, it is characterized in that: described substrate and encapsulating material (3) comprise upper substrate (302) and infrabasal plate (303), the described luminescence of plasma unit (1) based on liquid metal comprises and is capped in transparent encapsulated layer (301), and be printed on the room temperature liquid metal electrode (101) of upper substrate (302) and infrabasal plate (303) apparent surface, be positioned at the plasma medium material (102) that can be excited by room temperature liquid metal electrode (101) between upper substrate (302) and infrabasal plate (303) and the fluorescent material (103) for generation of colourama.
3. a kind of liquid metal plasma color display unit according to claim 2, it is characterized in that: the material of described room temperature liquid metal electrode (101) adopts gallium and the binary that forms with indium, tin, bismuth, zinc metal or multicomponent alloy, have conductivity and mobility concurrently, for generation of direct current or alternating voltage, thus excite described plasma medium material (102) to produce and maintain plasma electric discharge, or by voltage control, addressing is carried out to the luminescence unit of specifying.
4. a kind of liquid metal plasma color display unit according to claim 2, is characterized in that: the material of an electrode in described room temperature liquid metal electrode (101) adopts gold, platinum, silver, copper, steel or aluminium solid metal.
5. a kind of liquid metal plasma color display unit according to claim 2, it is characterized in that: described plasma medium material (102) can be excited generation plasma by described room temperature liquid metal electrode (101) under normal temperature and lower voltage difference 5V-30V, and send ultraviolet light and send colored coloured light to make described fluorescent material (103); Described plasma medium material (102) is rare gas, or pure water, weak electrolyte solution, alcohols, ketone, aldehydes, grease, kerosene, one in carbon tetrachloride liquid substance.
6. a kind of liquid metal plasma color display unit according to claim 2, it is characterized in that: described fluorescent material (103) is inorganic or organic fluorescent substance, the coloured light of rear generation is excited to be red, green, blue three primary colors light by plasma ultraviolet, or other monochromatic or polychrome coloured light; The existing forms of described fluorescent material (103) comprises powder, sinter layer, solution, or the mixture of fluorescent material or dyestuff and room temperature liquid metal.
7. a kind of liquid metal plasma color display unit according to claim 1, it is characterized in that: described plasma electrode drive circuit (2) is made by liquid metal or Conventional solid metal, adopt integrated drive chips, excite, maintain or eliminate for producing according to display graphics and timing requirements based on the luminous voltage of the luminescence of plasma unit (1) of liquid metal and pulse.
8. a kind of liquid metal plasma color display unit according to claim 2, is characterized in that: described substrate and encapsulating material (3) for unilateral hyperlucent or bilateral transparent; Its material is rigid material or flexible or elastomeric material; Described substrate and encapsulating material (3), for providing attachment for described room temperature liquid metal electrode (101), described fluorescent material (103), provide isolation for described plasma medium material (102) and encapsulate.
9. a kind of liquid metal plasma color display unit according to claim 8, it is characterized in that: described rigid material is the one in glass, quartz, pottery, crystal, corundum, diamond, or polyethylene terephthalate PET, polythene PE, polyvinylchloride, polypropylene PP, polystyrene PS, polymetylmethacrylate, phenolic resins PF, one in polyimides PI organic high molecular polymer; Described flexibility or elastomeric material are the one in polydimethylsiloxane, latex, silica gel, sulphurated siliastic.
10. a kind of liquid metal plasma color display unit according to claim 1, it is characterized in that: described expansion interface (4) is lead type, plug-in type, magnetic-type, bridging type or stick formula, to realize the splicing of multiple liquid metal plasma colour display device.
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| CN201520775605.8U CN205122529U (en) | 2015-10-08 | 2015-10-08 | Liquid metal plasma colour display device |
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| CN201520775605.8U CN205122529U (en) | 2015-10-08 | 2015-10-08 | Liquid metal plasma colour display device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105206487A (en) * | 2015-10-08 | 2015-12-30 | 清华大学 | Liquid metal plasma color display device and preparation method thereof |
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| CN105206487A (en) * | 2015-10-08 | 2015-12-30 | 清华大学 | Liquid metal plasma color display device and preparation method thereof |
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